Now that Cecil the Lion is gone, what lessons can be taken from the controversial manner of his death?

Stuffed animals left by protesters block the doorway of River Bluff Dental clinic in Bloomington, Minnesota. Dentist Walter James Palmer, an American hunter, has been accused of killing the lion without a permit after paying $50,000 to two people who lured it out of Hwange National Park.
Reuters/David BaileyJuly 29, 2015